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      1 /* Some commonly-used VEC types.
      2 
      3    Copyright (C) 2012-2024 Free Software Foundation, Inc.
      4 
      5    This file is part of GDB.
      6 
      7    This program is free software; you can redistribute it and/or modify
      8    it under the terms of the GNU General Public License as published by
      9    the Free Software Foundation; either version 3 of the License, or
     10    (at your option) any later version.
     11 
     12    This program is distributed in the hope that it will be useful,
     13    but WITHOUT ANY WARRANTY; without even the implied warranty of
     14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15    GNU General Public License for more details.
     16 
     17    You should have received a copy of the GNU General Public License
     18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
     19 
     20 #include "gdb_vecs.h"
     21 #include "host-defs.h"
     22 
     23 /* Worker function to split character delimiter separated string of fields
     24    STR into a char pointer vector.  */
     25 
     26 static void
     27 delim_string_to_char_ptr_vec_append
     28   (std::vector<gdb::unique_xmalloc_ptr<char>> *vecp, const char *str,
     29    char delimiter)
     30 {
     31   do
     32     {
     33       size_t this_len;
     34       const char *next_field;
     35       char *this_field;
     36 
     37       next_field = strchr (str, delimiter);
     38       if (next_field == NULL)
     39 	this_len = strlen (str);
     40       else
     41 	{
     42 	  this_len = next_field - str;
     43 	  next_field++;
     44 	}
     45 
     46       this_field = (char *) xmalloc (this_len + 1);
     47       memcpy (this_field, str, this_len);
     48       this_field[this_len] = '\0';
     49       vecp->emplace_back (this_field);
     50 
     51       str = next_field;
     52     }
     53   while (str != NULL);
     54 }
     55 
     56 /* See gdb_vecs.h.  */
     57 
     58 std::vector<gdb::unique_xmalloc_ptr<char>>
     59 delim_string_to_char_ptr_vec (const char *str, char delimiter)
     60 {
     61   std::vector<gdb::unique_xmalloc_ptr<char>> retval;
     62 
     63   delim_string_to_char_ptr_vec_append (&retval, str, delimiter);
     64 
     65   return retval;
     66 }
     67 
     68 /* See gdb_vecs.h.  */
     69 
     70 void
     71 dirnames_to_char_ptr_vec_append
     72   (std::vector<gdb::unique_xmalloc_ptr<char>> *vecp, const char *dirnames)
     73 {
     74   delim_string_to_char_ptr_vec_append (vecp, dirnames, DIRNAME_SEPARATOR);
     75 }
     76 
     77 /* See gdb_vecs.h.  */
     78 
     79 std::vector<gdb::unique_xmalloc_ptr<char>>
     80 dirnames_to_char_ptr_vec (const char *dirnames)
     81 {
     82   std::vector<gdb::unique_xmalloc_ptr<char>> retval;
     83 
     84   dirnames_to_char_ptr_vec_append (&retval, dirnames);
     85 
     86   return retval;
     87 }
     88